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Weather extremes
How extreme does Waukesha's weather get?
The hottest, coldest, wettest and snowiest days Waukesha has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.
The four kinds of extreme
The hottest, coldest, wettest and snowiest single days Waukesha has recorded — each shown against what a normal day that time of year looks like.
That is about 28°F hotter than a normal July afternoon in Waukesha (typical high near 81°F).
The three most extreme on record
About 43°F colder than a normal February night in Waukesha (typical low near 15°F).
The three most extreme on record
More rain in a single day than Waukesha usually gets in the whole month of August (typical August total about 4.2 in).
The three most extreme on record
Close to a whole typical April's snow in one day (Waukesha averages about 1 in across the month).
The three most extreme on record
How hot and cold it gets, month by month
The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.
Waukesha's record heat sits well above even a hot day for the season — July's 109°F is about 28°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.
In plain terms
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at MT Mary College (NOAA GHCN station USC00475474), about 18 km from the city centre.